402223223021 has 8 divisors (see below), whose sum is σ = 403773410304. Its totient is φ = 400673194000.

The previous prime is 402223222981. The next prime is 402223223041. The reversal of 402223223021 is 120322322204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 402223223021 - 2³⁰ = 401149481197 is a prime.

It is a super-2 number, since 2×402223223021² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402223223041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9016271 + ... + 9060771.

It is an arithmetic number, because the mean of its divisors is an integer number (50471676288).

Almost surely, 2^402223223021 is an apocalyptic number.

It is an amenable number.

402223223021 is a deficient number, since it is larger than the sum of its proper divisors (1550187283).

402223223021 is a wasteful number, since it uses less digits than its factorization.

402223223021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79131.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 402223223021 its reverse (120322322204), we get a palindrome (522545545225).

The spelling of 402223223021 in words is "four hundred two billion, two hundred twenty-three million, two hundred twenty-three thousand, twenty-one".